1121402042300 has 36 divisors (see below), whose sum is σ = 2479356451656. Its totient is φ = 440097403200.

The previous prime is 1121402042291. The next prime is 1121402042303. The reversal of 1121402042300 is 32402041211.

It is a super-2 number, since 2×1121402042300² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121402042303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105787346 + ... + 105797945.

It is an arithmetic number, because the mean of its divisors is an integer number (68871012546).

Almost surely, 2^{1121402042300} is an apocalyptic number.

1121402042300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121402042300 is an abundant number, since it is smaller than the sum of its proper divisors (1357954409356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121402042300 is a wasteful number, since it uses less digits than its factorization.

1121402042300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211585358 (or 211585351 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1121402042300 its reverse (32402041211), we get a palindrome (1153804083511).

The spelling of 1121402042300 in words is "one trillion, one hundred twenty-one billion, four hundred two million, forty-two thousand, three hundred".